Sorry you're having trouble, but this sounds more like there was a failure during the packaging system operation, moreso than a bug in the libx11 package itself.
** Package changed: libx11 (Ubuntu) => software-center (Ubuntu) -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to libx11 in Ubuntu. https://bugs.launchpad.net/bugs/748729 Title: package libx11-dev (not installed) failed to install/upgrade: corrupted filesystem tarfile - corrupted package archive _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp